CN217930720U

CN217930720U - Pressure vessel leakage detection device

Info

Publication number: CN217930720U
Application number: CN202220779306.1U
Authority: CN
Inventors: 郑峰刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-11-29
Anticipated expiration: 2032-04-06

Abstract

The utility model belongs to the technical field of pressure vessel leak testing, especially, a pressure vessel leak testing device, including the detection case, the left surface of detection case inner wall and the left surface rigid coupling of connecting plate, through placing pressure vessel at the upper surface of placing the board, step motor a drives two fixed plates and is close to each other and fixes the centre gripping to pressure vessel, step motor b drives gear an and gear b rotation, gear an rotation drives and places the board and move down and drive pressure vessel and move down and get into the detection case, the air compressor machine passes through the blast pipe and drives the connecting pipe with gas, get into inside pressure vessel through connecting pipe and intake pipe, make the inside air pressure of pressure vessel be higher than outside air pressure, when there is the gap inside the pressure vessel, the inside air of pressure vessel discharges through gap department, form the bubble in the detection case, and then make people can pass through the accurate definite pressure vessel's of position of bubble position reveal the position, people of being convenient for repair.

Description

Pressure vessel leakage detection device

Technical Field

The utility model belongs to the technical field of pressure vessel leak testing, concretely relates to pressure vessel leak testing device.

Background

The pressure container is a closed device which contains gas or liquid and bears a certain pressure. Pressure vessels are a special type of equipment with high risk.

When the existing pressure container is used for detecting leakage, a water immersion method is usually adopted, the detected container is soaked in water, whether the container leaks or not is judged by observing whether bubbles exist or not, or a dry air method is adopted, the difference between the internal pressure and the external pressure of a detected sample is controlled to be different through vacuumizing or air pressurization, if leakage exists, the difference between the internal pressure and the external pressure is reduced, whether leakage exists or not can be detected through detecting air pressure change, but the methods cannot accurately detect the accurate leakage position of the detected sample, and people cannot repair the leakage position conveniently.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a pressure vessel leak testing device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure vessel leak testing device, includes the detection case, the left surface of detection incasement wall and the left surface rigid coupling of connecting plate, the right flank of connecting plate is provided with lifting unit, lifting unit's right flank is provided with places the board, the shifting chute has been seted up to the upper surface of placing the board, the inner wall of shifting chute is provided with fixed subassembly, the upside of connecting plate right flank can be dismantled with the left surface of mounting panel and be connected, the left surface of detection case is provided with the air feed subassembly.

Preferably, a plurality of fans are symmetrically arranged on the upper surface of the mounting plate.

Preferably, the lifting assembly comprises a screw rod c rotatably connected with the upper surface and the lower surface of the inner wall of the connecting plate, a threaded sleeve b is connected to the outer surface of the screw rod c in a threaded manner, the right side surface of the threaded sleeve b is fixedly connected with the left side surface of the placing plate, a gear a is mounted on the upper side of the outer surface of the screw rod c, the outer surface of the gear a is meshed with the outer surface of the gear b, the lower surface of the gear b is fixedly connected with an output shaft of a stepping motor b, and the stepping motor b is mounted on the left side surface of the connecting plate.

Preferably, fixed subassembly includes the screw rod b of being connected with the rotation of shifting chute inner wall left surface, the right-hand member of screw rod b passes the bearing of baffle left surface joint and the left end rigid coupling of screw rod a, the right-hand member of screw rod a passes the bearing of shifting chute inner wall right flank joint and step motor a's output shaft rigid coupling, step motor a installs the right flank at placing the board, the equal threaded connection of surface of screw rod a and screw rod b has thread bush an, and two the upper surface of thread bush a respectively with the lower surface rigid coupling of two fixed plates, and two the one side that the fixed plate is relative respectively with pressure vessel's left and right sides face joint, pressure vessel's upper surface and the one end of intake pipe are linked together

Preferably, the screw threads of the screw a and the screw threads of the screw b are opposite in direction.

Preferably, two sliding grooves are formed in the front side and the rear side of the upper surface of the placing plate respectively, the left side and the right side of the lower surface of the inner wall of each sliding groove are connected with the lower surfaces of the two sliding blocks in a sliding mode respectively, and the upper surfaces of the sliding blocks are fixedly connected with the lower surface of the fixing plate.

Preferably, the air feed subassembly is including installing the air compressor machine at the detection case left surface, the exhaust end of air compressor machine is linked together through the one end of blast pipe with the connecting pipe, the other end of connecting pipe passes the left surface of connecting plate and is linked together with the other end of intake pipe, the preferred scalable hose material of connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, through placing pressure vessel at the upper surface of placing the board, step motor a drives two fixed plates and is close to each other and fixes the centre gripping to pressure vessel, step motor b drives gear an and gear b is rotatory, gear an is rotatory to be driven and is placed the board and move down and drive pressure vessel and move down and get into the detection case, the air compressor machine passes through the blast pipe and goes into the connecting pipe with gas escape, inside getting into pressure vessel through connecting pipe and intake pipe, make the inside air pressure of pressure vessel be higher than outside air pressure, when pressure vessel is inside to have the gap, the inside air of pressure vessel passes through gap department and discharges, form the bubble in the detection case, and then make people can pass through the accurate definite pressure vessel's of position of bubble reveal the position, be convenient for people to repair.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a cross-sectional structure of the present invention;

fig. 3 is a schematic cross-sectional structure view of the rear view of the present invention;

FIG. 4 is a schematic perspective view of a placement plate of the present invention;

in the figure: 1. a detection box; 2. a connecting plate; 3. mounting a plate; 4. a fan;

the air supply assembly: 51. an air compressor; 52. an exhaust pipe; 53. a connecting pipe;

6. a pressure vessel; 7. an air inlet pipe;

fixing the assembly: 81. a stepping motor a; 82. a moving groove; 83. a screw a; 84. a partition plate; 85. a screw b; 86. a threaded sleeve a; 87. a fixing plate;

9. placing the plate;

the lifting component: 101. a screw (c); 102. a threaded sleeve b; 103. a gear a; 104. a gear b; 105. a stepping motor b;

11. a chute; 12. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a pressure vessel leak testing device, includes detection case 1, the left surface of 1 inner wall of detection case and the left surface rigid coupling of connecting plate 2, the right flank of connecting plate 2 is provided with lifting unit, lifting unit's right flank is provided with places board 9, the upper surface of placing board 9 has seted up shifting chute 82, the inner wall of shifting chute 82 is provided with fixed subassembly, the upside of 2 right flanks of connecting plate can be dismantled with the left surface of mounting panel 3 and be connected, the left surface of detection case 1 is provided with the air feed subassembly.

Specifically, a plurality of fans 4 are symmetrically arranged on the upper surface of the mounting plate 3;

after pressure vessel 6 detects and finishes, lifting unit drives and places board 9 and pressure vessel 6 rebound, and fan 4 extracts the outside air and air-dries the water that pressure vessel 6's surface is infected with.

Specifically, the lifting assembly comprises a screw rod c101 rotatably connected with the upper surface and the lower surface of the inner wall of the connecting plate 2, a threaded sleeve b102 is connected to the outer surface of the screw rod c101 in a threaded manner, the right side surface of the threaded sleeve b102 is fixedly connected with the left side surface of the placing plate 9, a gear a103 is mounted on the upper side of the outer surface of the screw rod c101, the outer surface of the gear a103 is meshed with the outer surface of a gear b104, the lower surface of the gear b104 is fixedly connected with an output shaft of a stepping motor b105, and the stepping motor b105 is mounted on the left side surface of the connecting plate 2;

the stepping motor b105 is started through an external power supply, the stepping motor b105 is started to drive the gear a103 and the gear b104 to rotate, the gear a103 rotates to drive the screw rod c101 to rotate, the screw rod c101 rotates to drive the threaded sleeve b102 to move downwards, the threaded sleeve b102 moves downwards to drive the placing plate 9 to move downwards, and the placing plate 9 moves downwards to drive the pressure container 6 to move downwards to enter the detection box 1.

Specifically, the fixing assembly comprises a screw b85 rotatably connected with the left side surface of the inner wall of the moving groove 82, the right end of the screw b85 penetrates through a bearing clamped on the left side surface of the partition plate 84 and is fixedly connected with the left end of a screw a83, the right end of the screw a83 penetrates through a bearing clamped on the right side surface of the inner wall of the moving groove 82 and is fixedly connected with an output shaft of a stepping motor a81, the stepping motor a81 is installed on the right side surface of the placing plate 9, threaded sleeves a86 are respectively connected to the outer surfaces of the screw a83 and the screw b85 in a threaded manner, the upper surfaces of the two threaded sleeves a86 are respectively fixedly connected with the lower surfaces of two fixing plates 87, the opposite surfaces of the two fixing plates 87 are respectively clamped with the left side surface and the right side surface of the pressure container 6, and the upper surface of the pressure container 6 is communicated with one end of the air inlet pipe 7;

place pressure vessel 6 at the upper surface of placing board 9, start step motor a81 through external power supply, step motor a81 starts to drive screw rod a83 and screw rod b85 rotatory, and screw rod a83 and the rotatory two thread bush a86 that drive of screw rod b85 are close to each other, and two thread bush a86 are close to each other and drive two fixed plates 87 and are close to each other and fix the centre gripping to pressure vessel 6, avoid pressure vessel 6 to appear rocking in the in-process that detects.

Specifically, two sliding grooves 11 are respectively formed in the front side and the rear side of the upper surface of the placing plate 9, the left side and the right side of the lower surface of the inner wall of each sliding groove 11 are respectively connected with the lower surfaces of two sliding blocks 12 in a sliding manner, and the upper surfaces of the sliding blocks 12 are fixedly connected with the lower surface of the fixing plate 87;

the fixed plate 87 moves to drive the sliding block 12 to move in the sliding groove 11 in the same direction, so that the sliding block 12 and the sliding groove 11 limit the fixed plate 87, and the fixed plate 87 is prevented from shaking in the moving process.

Specifically, the air supply assembly comprises an air compressor 51 mounted on the left side surface of the detection box 1, the exhaust end of the air compressor 51 is communicated with one end of a connecting pipe 53 through an exhaust pipe 52, the other end of the connecting pipe 53 penetrates through the left side surface of the connecting plate 2 to be communicated with the other end of the air inlet pipe 7, and the connecting pipe 53 is preferably made of a telescopic hose material;

starting the air compressor 51 through external power supply, the air compressor 51 passes through the blast pipe 52 and emits into the connecting pipe 53 with gas, get into pressure vessel 6 through connecting pipe 53 and intake pipe 7 inside, make the inside air pressure of pressure vessel 6 be higher than outside air pressure, when pressure vessel 6 is inside when having the gap, the inside air of pressure vessel 6 passes through gap department and discharges, forms the bubble in detection case 1, and then makes people can pass through the accurate definite pressure vessel 6's of position of bubble position reveal the position.

The utility model discloses a theory of operation and use flow:

the utility model, when in use;

placing a pressure container 6 on the upper surface of a placing plate 9, starting a stepping motor a81 to drive a screw a83 and a screw b85 to rotate, driving two thread sleeves a86 to approach each other by the rotation of the screw a83 and the screw b85, driving two fixing plates 87 to approach each other by the approach of the two thread sleeves a86 to fixedly clamp the pressure container 6, and avoiding the pressure container 6 from shaking in the detection process, starting a stepping motor b105 to drive a gear a103 and a gear b104 to rotate, driving a screw c101 to rotate by the rotation of the gear a103, driving a thread sleeve b102 to move downwards by the rotation of the screw c101, driving the placing plate 9 to move downwards by the downward movement of the thread sleeve b102, driving the pressure container 6 to move downwards to enter a detection box 1, and placing water in the detection box 1;

air compressor machine 51 passes through blast pipe 52 and emits gas into connecting pipe 53, it is inside to get into pressure vessel 6 through connecting pipe 53 and intake pipe 7, make the inside air pressure of pressure vessel 6 be higher than outside air pressure, when pressure vessel 6 is inside to have the gap, the inside air of pressure vessel 6 passes through gap department and discharges, form the bubble in detection case 1, and then make people can be through the accurate definite pressure vessel's 6 position of revealing position of bubble, pressure vessel 6 detects the back that finishes, the lifting unit drives and places board 9 and pressure vessel 6 rebound, fan 4 extracts the water that the outside air is infected with pressure vessel 6 and air-dries.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention as directed to circuits and electronic components and modules that are not software and method improvements.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure vessel leakage detection device, includes detection case (1), its characterized in that: the left surface of detection case (1) inner wall and the left surface rigid coupling of connecting plate (2), the right flank of connecting plate (2) is provided with lifting unit, lifting unit's right flank is provided with places board (9), place the upper surface of board (9) and seted up shifting chute (82), the inner wall of shifting chute (82) is provided with fixed subassembly, the upside of connecting plate (2) right flank can be dismantled with the left surface of mounting panel (3) and be connected, the left surface of detection case (1) is provided with the air feed subassembly.

2. A pressure vessel leak detection apparatus as defined in claim 1, wherein: a plurality of fans (4) are symmetrically arranged on the upper surface of the mounting plate (3).

3. A pressure vessel leak detection apparatus as defined in claim 1, wherein: the lifting assembly comprises a screw rod c (101) rotatably connected with the upper surface and the lower surface of the inner wall of the connecting plate (2), a threaded sleeve b (102) is connected to the outer surface of the screw rod c (101) in a threaded manner, the right side face of the threaded sleeve b (102) is fixedly connected with the left side face of the placing plate (9), a gear a (103) is installed on the upper side of the outer surface of the screw rod c (101), the outer surface of the gear a (103) is meshed with the outer surface of a gear b (104), the lower surface of the gear b (104) is fixedly connected with an output shaft of a stepping motor b (105), and the stepping motor b (105) is installed on the left side face of the connecting plate (2).

4. A pressure vessel leak detection apparatus as defined in claim 1, wherein: fixed subassembly includes rotates screw rod b (85) of being connected with shifting chute (82) inner wall left surface, the right-hand member of screw rod b (85) passes the bearing of baffle (84) left surface joint and the left end rigid coupling of screw rod a (83), the right-hand member of screw rod a (83) passes the bearing of shifting chute (82) inner wall right flank joint and the output shaft rigid coupling of step motor a (81), step motor a (81) are installed and are being placed the right flank of board (9), the equal threaded connection in surface of screw rod a (83) and screw rod b (85) has thread bush a (86), and two the upper surface of thread bush a (86) respectively with the lower surface rigid coupling of two fixed plates (87), and two the relative one side of fixed plate (87) respectively with the left and right sides face joint of pressure vessel (6), the upper surface of pressure vessel (6) is linked together with the one end of intake pipe (7).

5. The pressure vessel leak detection apparatus according to claim 4, wherein: the screw threads of the screw rod a (83) and the screw rod b (85) are opposite in direction.

6. A pressure vessel leak detection apparatus as defined in claim 1, wherein: two sliding grooves (11) are formed in the front side and the rear side of the upper surface of the placing plate (9) respectively, the left side and the right side of the lower surface of the inner wall of each sliding groove (11) are connected with the lower surfaces of two sliding blocks (12) in a sliding mode respectively, and the upper surfaces of the sliding blocks (12) are fixedly connected with the lower surface of the fixing plate (87).

7. A pressure vessel leak detection apparatus as claimed in claim 1, wherein: air supply assembly is including installing air compressor machine (51) at detection case (1) left surface, the exhaust end of air compressor machine (51) is linked together through blast pipe (52) and the one end of connecting pipe (53), the other end of connecting pipe (53) passes the left surface of connecting plate (2) and is linked together with the other end of intake pipe (7), the preferred scalable hose material of connecting pipe (53).